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TelecommunicationsIn addition to conductor data, the quality of the network cable is also closely related to the sheath data, insulation data, stranding distance of the network cable, production process, etc. Of course, the factor that affects the cost most is the raw materials of the network cable. We can understand the secret by carefully comparing the market quotations of iron, aluminum and copper.卡内利亚斯揉了揉眼睛，感觉很不可思议：这是……威尼斯桨帆船？？？怎么会在这里？？副手不及惊讶，在旁吼道：提督。有时候尹旭常常在感叹，自己的运气何等的好，蒲俊和苏角手握重兵而无一点异心。热血网友巧妙剪辑而成的彩虹小马之狂派金刚来袭篇。There are also some plants pollinated by insects, which do not bring any benefits to insects, but attract their own pollinators in a similar way of deception. For example, Mei Lan is an example. It set a simple trap to make the drone think it would be a wonderful date. The drone was the first to fly out of the hive in spring, while the female was relatively late. Orchids take advantage of this. Their flowers look very much like female bees, making many drones stay here. Moreover, the flowers of Red Gate Orchid not only look like female bees, but also can emit similar smell to female bees. The hungry drone was easily cheated and tried to mate with the lip of the orchid, so that the drone would stick to two pollen blocks, which were small balls wrapped in pollen. At this time, the pollen would fall off and then stick to the drone. The drone had to leave frustrated after the mating failed. When it was fooled again and stayed on another eyebrow orchid, it helped eyebrow orchid to pollinate.